{
  "id": "CVE-2022-49208",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2025-02-26T07:00:57.910",
  "lastModified": "2025-03-18T20:11:17.900",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/irdma: Prevent some integer underflows\n\nMy static checker complains that:\n\n    drivers/infiniband/hw/irdma/ctrl.c:3605 irdma_sc_ceq_init()\n    warn: can subtract underflow 'info->dev->hmc_fpm_misc.max_ceqs'?\n\nIt appears that \"info->dev->hmc_fpm_misc.max_ceqs\" comes from the firmware\nin irdma_sc_parse_fpm_query_buf() so, yes, there is a chance that it could\nbe zero.  Even if we trust the firmware, it's easy enough to change the\ncondition just as a hardenning measure."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: RDMA/irdma: Evitar algunos desbordamientos de enteros Mi verificador est\u00e1tico se queja de que: drivers/infiniband/hw/irdma/ctrl.c:3605 irdma_sc_ceq_init() warn: can subtract underflow 'info->dev->hmc_fpm_misc.max_ceqs'? Parece que \"info->dev->hmc_fpm_misc.max_ceqs\" proviene del firmware en irdma_sc_parse_fpm_query_buf() as\u00ed que, s\u00ed, existe la posibilidad de que sea cero. Incluso si confiamos en el firmware, es bastante f\u00e1cil cambiar la condici\u00f3n como una medida de endurecimiento."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-191"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "FB1C7FD1-C89E-4955-B265-456A9F757302"
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  "references": [
    {
      "url": "https://git.kernel.org/stable/c/6f6dbb819dfc1a35bcb8b709b5c83a3ea8beff75",
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}